Home / 52,421.82-72,345.13-39,477.92

Finding the Fourth Proportional to 52,421.82, 72,345.13 and 39,477.92

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Solution

The fourth proportional to 52,421.82, 72,345.13 and 39,477.92 is: 54,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.82 : 72,345.13 = 39,477.92 : x
  2. Step 2: Convert to fraction form
    52,421.82/72,345.13 = 39,477.92/x
  3. Step 3: Cross multiply
    52,421.82x = 72,345.13 × 39,477.92
  4. Step 4: Simplify right side
    52,421.82x = 2,856,035,016.17
  5. Step 5: Solve for x
    x = 2,856,035,016.17/52,421.82
  6. Step 6: Final answer
    x = 54,481.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.